1991 Audi S2 vs. 1999 BMW 540
To start off, 1999 BMW 540 is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Audi S2. In addition, the cost of maintenance, including insurance, on 1991 Audi S2 would be higher. At 4,398 cc (8 cylinders), 1999 BMW 540 is equipped with a bigger engine. In terms of performance, 1999 BMW 540 (282 HP @ 7400 RPM) has 66 more horse power than 1991 Audi S2. (216 HP @ 5900 RPM) In normal driving conditions, 1999 BMW 540 should accelerate faster than 1991 Audi S2. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 540 weights approximately 351 kg more than 1991 Audi S2. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Audi S2 is four wheel drive (4WD), it will have significant more traction and grip than 1999 BMW 540. In wet, icy, snow, or gravel driving conditions, 1991 Audi S2 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1999 BMW 540 (439 Nm) has 130 more torque (in Nm) than 1991 Audi S2. (309 Nm). This means 1999 BMW 540 will have an easier job in driving up hills or pulling heavy equipment than 1991 Audi S2.
Compare all specifications:
| 1991 Audi S2 | 1999 BMW 540 | |
| Make | Audi | BMW |
| Model | S2 | 540 |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 4398 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 282 HP |
| Engine RPM | 5900 RPM | 7400 RPM |
| Torque | 309 Nm | 439 Nm |
| Engine Compression Ratio | 9.3:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1420 kg | 1771 kg |
| Vehicle Length | 4410 mm | 4780 mm |
| Vehicle Width | 1720 mm | 1810 mm |
| Vehicle Height | 1380 mm | 1440 mm |
| Wheelbase Size | 2560 mm | 2840 mm |
